Tuna is a good source of many healthful nutrients, especially selenium, potassium, Vitamin D, Vitamin A, Vitamin B12, and omega-3 fats (the good kind of fat). For essential B12, a serving size of 100 grams of tuna fish provides 2.2 micrograms.
If you need easy-to-peel eggs and you have fresh eggs, you might want to try steaming the eggs for 15 minutes. Pour an inch of water into a pot and insert a steamer basket.Bring to a boil. Place the eggs in the steamer basket, cover and steam for 15 minutes (more or less, check!).
1 boiling: For a slightly runny yolk, boil an average sized duck egg for 6-7 mins. 2  If you want a hard-boiled egg, cook for 9 mins. 3  The shells are more fragile than hen eggs; to help avoid them cracking keep them at room temperature and lower them gently into the water with a slotted spoon. If you want a hard-boiled egg, cook for 9 mins. 2  The shells are more fragile than hen eggs; to help avoid them cracking keep them at room temperature and lower them gently into the water with a slotted spoon. 3  Pricking the shell with a pin (being careful not to pierce the egg sac) can also help.